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High resolution and discrete temporal and spatial water-quality measurements in support of modeling mercury and methylmercury concentrations in surface waters of the Sacramento-San Joaquin River Delta

Dates

Publication Date
Start Date
2019-06-01
End Date
2021-07-01

Citation

Fleck, J.A., Marvin-DiPasquale, M.C., Bergamaschi, B.A., Windham-Myers, L., Alpers, C.N., Hestir, E.L., Avouris, D.M., O'Donnell, K., Oros, D.M., Hansen, A., Watanabe, P.T., Sushch, D., DeParsia, E., Sturgeon, C.L., Delascagigas, A., Hansen, J.A., Burau, D.J., Agee, J.L., Kieu, L.H., Kakouros, E., and Baesman, S.M., 2023, High resolution and discrete temporal and spatial water-quality measurements in support of modeling mercury and methylmercury concentrations in surface waters of the Sacramento-San Joaquin River Delta: U.S. Geological Survey data release, https://doi.org/10.5066/P9O85MN7.

Summary

The Sacramento / San Joaquin River Delta (SSJRD) is contaminated with legacy mercury (Hg) from historical mining and mineral processing activities throughout the watershed, as well as from contemporary atmospheric and industrial inputs. The current project was designed for the purpose of developing high-resolution spatial and temporal models for estimating concentrations of mercury species in surface waters of the SSJRD. The field component of the project brings together three high-resolution platforms for collecting water-quality data (fixed continuous monitoring stations (CMS) outfitted with in-situ sensors, spatial mapping using boat-mounted flow-through sensors, and satellite-based remote sensing) coupled with a discrete sample [...]

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SSJRD_Sites.kmz 3.11 KB application/vnd.google-earth.kmz

Purpose

This data release is in partial fulfillment of an agreement between the U.S. Geological Survey and the University of California, Merced, related to a study funded through the California Department of Fish and Wildlife (PROPOSAL #: P1896056-01, TITLE: High Resolution Temporal and Spatial Mapping of Mercury in Surface Waters of the San Francisco Bay Delta), as part of the California Proposition 1 Water Quality, Supply, and Infrastructure Improvement Act of 2014. The overarching goal of this study was to develop models that can estimate surface-water concentrations of four mercury species (particulate and filter-passing fractions of total mercury and methylmercury) using a trio of high-resolution water-quality data collection platforms.

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DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9O85MN7

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